| #21 | Drugs. -- Auckland : ADIS International, 1971-. -- ISSN 0012-6667 |
| #22 | Drugs of the future. -- Barcelona : J.R. Prous, 1976-. -- ISSN 0377-8282 |
| #23 | Drugs of today. -- Barcelona : J.R. Prous, 1999-. -- ISSN 1699-3993 |
| #24 | Drugs of today : Medicamentos se actualidad. -- Barcelona : J.R.Prous, 1965-1999. -- ISSN 0025-7656 |
| #25 | European journal of medicinal chemistry. -- Paris : Elsevier, 1974-. -- ISSN 0223-5234 print. -- ISSN 1768-3254 online |
| #26 | Expert opinion on emerging drugs. -- London : Ashley, 2001-. -- ISSN 1472-8214 |
| #27 | Expert opinion on pharmacotherapy. -- London : Ashley, 1999-. -- ISSN 1465-6566 |
| #28 | Fundamental and applied toxicology. -- Akron : The Society, 1981-1997. -- ISSN 0272-0590 print. -- ISSN 1095-6832 online |
| #29 | Helvetica chimica acta. -- Basel : Helvetica Chimica Acta, 1918-. -- ISSN 0018-019X print. -- ISSN 1522-2675 online |
| #30 | Heterocycles : an international journal for reviews and communications in heterocyclic chemistry. -- Aobayama : Sendai Institute of Heterocyclic Chemistry, 1973-. -- ISSN 0385-5414 |